Tread for a shoe sole



FIG. 1 is a front elevational view of a tread for a shoe sole, showing my new design:

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is is a bottom perspective view of an element of the tread of FIG. 5, shown at an enlarged scale;

FIG. 7 is side elevational view thereof; and,

FIG. 8 is a bottom-plan view thereof.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a tread for a shoe sole, as shown and described. 